Portable oven.



J. C. CORBIT.

PORTABLE OVEN.

APPLICATION FILED IAN. I8. I9Ie.

1,201,152. Patented OCI. 10,1916.

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J. C. CORBIT.

PORTABLE OVEN. APPucATloN FILED muda. me.

Patented Oct. 10, 1916.

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PORTABLE OVEN.

Application filed January 18,1916.

To all whom t may concern Be it known that I, JAMES C. Conrl, a citizen of the United States, residing at Cascade, in the county of Cascade and State of Montana, have invented new and useful Improvements in Portable Ovens, of which the following is a speciiication.

This invention relates to bake ovens, and it has particular reference to portable ovens which may be used in various locations and with different kinds of fuel, such as gas, oil, gasolene, coal or Wood.

The invention has for its object to produce a simple and eective oven which will be so completely surrounded by flues or passages for the products of combustion that the heat within the oven will be thoroughly equalized and that there will be no cold corners and no places which are liable to be overheated.

A further object of the invention is to produce a structure embodying a plurality of ovens arranged one above another, the structure being equipped with a system of flues whereby each oven will be equally heated throughout.

W'ith these and other ends in view which will readily appear as the nature of the invention is better understood, the same consists in the improved construction and novel arrangement and combination of parts which will be hereinafter fully described and particularly pointed out in the claims.

In the accompanying drawings has been illustrated av simple and preferred form of the invention, it being, however, understood that no limitation is necessarily made to the precise structural details therein ex hibited, but that changes, alterations and modifications within the scope of the claims may be resorted to when desired.

In the drawings, Figure 1 is a side view showing the invention applied to a structure containing two ovens arranged one above another, the near wall having been removed. Fig. 2 is a horizontal sectional view taken on the line 2--2vin Fig. 1. Fig. 3 is a horizontal sectional View taken on the line 3-3 in Fig. 1. Fig. 4 is a vertical sectional view taken on the line 4 4: in Fig. 1. Fig. 5 is a vertical sectional view taken on the line 5-5 in Fig. 1. Fig. 6 is a vertical sectional view taken on the line G-G in Fig. 4.

Specification of Letters Patent.

Patented Got. 1G, 1916.

Serial No. 72,822.

Corresponding parts in the several figures are denotedby like characters of reference.

rIhe casing of the improved oven structure comprises front and rear walls 15, 16 and side walls 17. 'Ihe oven casings 18, two of which have been shown, one above the other, extend from the front wall to the rear wall, the front wall being provided with openings 19 and doors 20 through which the interior 'of each oven casing is accessible. The oven casings are spaced from the side walls 17, and the top wall is also spaced from the top plate 21. The space 22 between the walls 15, 16, 17 and the bottom oven 18 may be utilized as a furnace for the consumption of solid fuel, or burners for gas, gasolene or the like may be arranged in said space.

Arranged to extend transversely across the top of each oven are a plurality of flues, some of which are designated byy 23 and others by 24, the flues 23 being arranged to convey products of combustion from right to left, as viewed from the front of the structure, while the liues 24: will convey products of combustion from left to right. The sidewalls ofthe flues are formed by cross pieces 25 which are disposed vertically or set on edge, while the'bottom walls of the flues may be formed by thetop plates of the respective ovens, and the top walls of the iiues may be formed by the bottom wall of the uppermost oven and by the top plate 21. The several flues terminate in the interspaces S and S between the ovens and the side walls of the casing at the left and'right sides, respectively, of the structure, and the said interspaces are provided with partitions 26 whereby they are divided into compartments, each compartment being of a width equal to the width of two flues. Assuming that four flues extend transversely across the top of each oven and that the structure contains two ovens arranged one above the other, it will be evidentr that four ues will extend terminally into each compartment. structure the bottom walls of the flues 23 are cut away, thus permitting products of combustion to pass upwardly into said flues and through the latter to the compartment of the interspace S at the right side of the structure where the top walls of said fiues 23 are cut away to permit'the products of At the right side of. the

combustion to pass upward. At the left side of the structure the bottom walls of the flues 2e are cut away to permit products of combustion to pass upwardly into said lues and through thev latter to the right side of the structure where the top walls of said lues are cut away to permit the upward passage of the products. The flues 23, 24 extending across the lower and the upper ovens are arranged in alternate order, thus inducing the products of combustion to take a zigzag course through the compartments of the interspaces S and S at the left and right sides of the structure. The cut-away portions of the top walls of the ues extending across the uppermost oven are partly covered by inclined detlectors 2'? which will prevent the products of combustion Jfrom passing straight upward to the exit 28 which is formed in a hood 29 at the top of the casing, the purpose of said deflectors being to retain the heat within the casing, thus avoiding waste.

From the foregoing description, taken in connection with the drawings hereto annexed, it will be seen that the products rising from the furnace space will be distributed equally in the compartments of the interspaces, S, S formed by the partitions 26. lt may be stated that in large structures, more than one partition may be used in each interspace, it being, however, provided that each compartment must be equal in width to two Sues, thus necessitating the use of a multiple or two lues across the top of each oven. It is also evident that more than two ovens may be used in a single tier or stack. As the products of combustion rise in the compartments of the interspaces S, S they will enter the iues 23 at the right side of the structure and the flues 24 at the left side of the structure, passing through said flues to the opposite sides where they ascend or rise obliquely, the products coming from the flues 23 passing to the lues 24 extending across the upper oven, while the products coming from the flues 24 will ascend o-bliquely to the {lues 23 that extend across the upper oven, passing finally below the de- Hectors 27 to the exit 28. By this arrangement the products of combustion leaving the 'furnace space or combustion chamber will be divided into at least four distinct currents two or which will pass in opposite directions, across the top of the bottom oven at the front and rear ends thereof, while two other currents will pass across the top of the intermediate portion of the bottom oven, the last mentioned currents rising obliquely and passing transversely across the front and rear portions of the top of the top oven, while the currents that rise from the lues which extend transversely across the intermediate portion of the top of the bottom oven will rise obliquely and be carried across the end portions of the top of the top oven, the products of combustion eventually passing beneath the delectors 27 and to the exit. rlhe several ovens will thus be thoroughly and evenly heated, and waste or' heat will be avoided.

The invention, as previously stated, is applicable to portable ovens adapted to be used indoors or outdoors, and any ordinary 'fuel may be utilized.

Having thus described the invention, what is claimed as new, is

l. ln a portable oven, a casing including front and rear walls, side walls, a top plate and a hood, the latter having a smoke exit, and ovens extending between the Jiront and rear walls, said ovens being spaced from the side walls and from the top plate, and the lowermost oven being elevated above the lower edges of the fron-t, rear and side walls to produce a combustion chamber below said oven; and flues extending transversely across the tops of the several ovens, said flues being arranged in alternate order to carry products of combustion from left to right and from rightrto left, and said flues co1nmunicating with the interspaces between the side walls of the oven and the side walls of the casing.

2. In a portable oven, a casing including front and rear walls, side walls, a top plate and a hood, the latter having a smoke exit, and ovens extending between the front and rear walls, said ovens being spaced from the side walls and from the topV plate, and the lowermost oven being elevated above the lower edges of the front, rear and side walls to produce a combustion chamber below said oven; and flues extending transversely across the tops of the several ovens, said lues being` arranged in alternate order to carry products of combustion from left to right and from right to left, and said flues communicating with the interspaces between the side walls of the oven and the side walls of the casing; said interspaces being divided vertically into compartments, each of a width equal to the width of two flues communicating with the compartments at the two sides of the casing.

3. In a portable oven, a casing including front and rear walls, side walls, a top plate and a hood, the latter having a smoke exit, and ovens extending between the front and rear walls, said ovens being spaced from the side walls and from the top plate, and the lowermost oven being elevated above the lower edges of the front, rear and side walls to produce a combustion chamber below said oven; and iues extending transversely across the tops of the several ovens, .said lues be ing arranged in alternate order to carry products of combustion from left to right and from right to left, and said flues communicating with the interspaces between the. f

side Walls of the oven and the side Walls of the casing, the top Walls of the Hues extending across the top oven being formed by the top plate of the easing, and said plate hav- In 'testimony whereof I aHX my signature inpresenoe of two Witnesses.

JAMES C.- CORBIT.

ing openings forming exits for the products Vtnesses: of combustion passing,- from the several Hues, W. R. CALL, and delectors adjacent to said openings. J. H. HUGHES.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents. Washington, D. C. 

